From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Wed, 18 Jul 2018 20:30:51 +0200
Subject: drm/amdgpu: clean up UVD instance handling v2
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Git-commit: 5c675bf2c67c4efb36a78bebf44dc435db2daf16
Patch-mainline: v4.19-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
The whole handle, filp and entity handling is superfluous here.
We should have reviewed that more thoughtfully. It looks like somebody
just made the code instance aware without knowing the background.
v2: fix one more missed case in amdgpu_uvd_suspend
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 121 +++++++++++++++-----------------
drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h | 10 +-
2 files changed, 64 insertions(+), 67 deletions(-)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
@@ -263,21 +263,20 @@ int amdgpu_uvd_sw_init(struct amdgpu_dev
dev_err(adev->dev, "(%d) failed to allocate UVD bo\n", r);
return r;
}
+ }
- ring = &adev->uvd.inst[j].ring;
- rq = &ring->sched.sched_rq[DRM_SCHED_PRIORITY_NORMAL];
- r = drm_sched_entity_init(&adev->uvd.inst[j].entity, &rq,
- 1, NULL);
- if (r != 0) {
- DRM_ERROR("Failed setting up UVD(%d) run queue.\n", j);
- return r;
- }
-
- for (i = 0; i < adev->uvd.max_handles; ++i) {
- atomic_set(&adev->uvd.inst[j].handles[i], 0);
- adev->uvd.inst[j].filp[i] = NULL;
- }
+ ring = &adev->uvd.inst[0].ring;
+ rq = &ring->sched.sched_rq[DRM_SCHED_PRIORITY_NORMAL];
+ r = drm_sched_entity_init(&adev->uvd.entity, &rq, 1, NULL);
+ if (r) {
+ DRM_ERROR("Failed setting up UVD kernel entity.\n");
+ return r;
}
+ for (i = 0; i < adev->uvd.max_handles; ++i) {
+ atomic_set(&adev->uvd.handles[i], 0);
+ adev->uvd.filp[i] = NULL;
+ }
+
/* from uvd v5.0 HW addressing capacity increased to 64 bits */
if (!amdgpu_device_ip_block_version_cmp(adev, AMD_IP_BLOCK_TYPE_UVD, 5, 0))
adev->uvd.address_64_bit = true;
@@ -306,11 +305,12 @@ int amdgpu_uvd_sw_fini(struct amdgpu_dev
{
int i, j;
+ drm_sched_entity_destroy(&adev->uvd.inst->ring.sched,
+ &adev->uvd.entity);
+
for (j = 0; j < adev->uvd.num_uvd_inst; ++j) {
kfree(adev->uvd.inst[j].saved_bo);
- drm_sched_entity_destroy(&adev->uvd.inst[j].ring.sched, &adev->uvd.inst[j].entity);
-
amdgpu_bo_free_kernel(&adev->uvd.inst[j].vcpu_bo,
&adev->uvd.inst[j].gpu_addr,
(void **)&adev->uvd.inst[j].cpu_addr);
@@ -333,20 +333,20 @@ int amdgpu_uvd_suspend(struct amdgpu_dev
cancel_delayed_work_sync(&adev->uvd.idle_work);
+ /* only valid for physical mode */
+ if (adev->asic_type < CHIP_POLARIS10) {
+ for (i = 0; i < adev->uvd.max_handles; ++i)
+ if (atomic_read(&adev->uvd.handles[i]))
+ break;
+
+ if (i == adev->uvd.max_handles)
+ return 0;
+ }
+
for (j = 0; j < adev->uvd.num_uvd_inst; ++j) {
if (adev->uvd.inst[j].vcpu_bo == NULL)
continue;
- /* only valid for physical mode */
- if (adev->asic_type < CHIP_POLARIS10) {
- for (i = 0; i < adev->uvd.max_handles; ++i)
- if (atomic_read(&adev->uvd.inst[j].handles[i]))
- break;
-
- if (i == adev->uvd.max_handles)
- continue;
- }
-
size = amdgpu_bo_size(adev->uvd.inst[j].vcpu_bo);
ptr = adev->uvd.inst[j].cpu_addr;
@@ -398,30 +398,27 @@ int amdgpu_uvd_resume(struct amdgpu_devi
void amdgpu_uvd_free_handles(struct amdgpu_device *adev, struct drm_file *filp)
{
- struct amdgpu_ring *ring;
- int i, j, r;
-
- for (j = 0; j < adev->uvd.num_uvd_inst; j++) {
- ring = &adev->uvd.inst[j].ring;
+ struct amdgpu_ring *ring = &adev->uvd.inst[0].ring;
+ int i, r;
- for (i = 0; i < adev->uvd.max_handles; ++i) {
- uint32_t handle = atomic_read(&adev->uvd.inst[j].handles[i]);
- if (handle != 0 && adev->uvd.inst[j].filp[i] == filp) {
- struct dma_fence *fence;
-
- r = amdgpu_uvd_get_destroy_msg(ring, handle,
- false, &fence);
- if (r) {
- DRM_ERROR("Error destroying UVD(%d) %d!\n", j, r);
- continue;
- }
+ for (i = 0; i < adev->uvd.max_handles; ++i) {
+ uint32_t handle = atomic_read(&adev->uvd.handles[i]);
- dma_fence_wait(fence, false);
- dma_fence_put(fence);
+ if (handle != 0 && adev->uvd.filp[i] == filp) {
+ struct dma_fence *fence;
- adev->uvd.inst[j].filp[i] = NULL;
- atomic_set(&adev->uvd.inst[j].handles[i], 0);
+ r = amdgpu_uvd_get_destroy_msg(ring, handle, false,
+ &fence);
+ if (r) {
+ DRM_ERROR("Error destroying UVD %d!\n", r);
+ continue;
}
+
+ dma_fence_wait(fence, false);
+ dma_fence_put(fence);
+
+ adev->uvd.filp[i] = NULL;
+ atomic_set(&adev->uvd.handles[i], 0);
}
}
}
@@ -692,20 +689,19 @@ static int amdgpu_uvd_cs_msg(struct amdg
struct amdgpu_bo *bo, unsigned offset)
{
struct amdgpu_device *adev = ctx->parser->adev;
- uint32_t ip_instance = ctx->parser->ring->me;
int32_t *msg, msg_type, handle;
void *ptr;
long r;
int i;
if (offset & 0x3F) {
- DRM_ERROR("UVD(%d) messages must be 64 byte aligned!\n", ip_instance);
+ DRM_ERROR("UVD messages must be 64 byte aligned!\n");
return -EINVAL;
}
r = amdgpu_bo_kmap(bo, &ptr);
if (r) {
- DRM_ERROR("Failed mapping the UVD(%d) message (%ld)!\n", ip_instance, r);
+ DRM_ERROR("Failed mapping the UVD) message (%ld)!\n", r);
return r;
}
@@ -715,7 +711,7 @@ static int amdgpu_uvd_cs_msg(struct amdg
handle = msg[2];
if (handle == 0) {
- DRM_ERROR("Invalid UVD(%d) handle!\n", ip_instance);
+ DRM_ERROR("Invalid UVD handle!\n");
return -EINVAL;
}
@@ -726,18 +722,19 @@ static int amdgpu_uvd_cs_msg(struct amdg
/* try to alloc a new handle */
for (i = 0; i < adev->uvd.max_handles; ++i) {
- if (atomic_read(&adev->uvd.inst[ip_instance].handles[i]) == handle) {
- DRM_ERROR("(%d)Handle 0x%x already in use!\n", ip_instance, handle);
+ if (atomic_read(&adev->uvd.handles[i]) == handle) {
+ DRM_ERROR(")Handle 0x%x already in use!\n",
+ handle);
return -EINVAL;
}
- if (!atomic_cmpxchg(&adev->uvd.inst[ip_instance].handles[i], 0, handle)) {
- adev->uvd.inst[ip_instance].filp[i] = ctx->parser->filp;
+ if (!atomic_cmpxchg(&adev->uvd.handles[i], 0, handle)) {
+ adev->uvd.filp[i] = ctx->parser->filp;
return 0;
}
}
- DRM_ERROR("No more free UVD(%d) handles!\n", ip_instance);
+ DRM_ERROR("No more free UVD handles!\n");
return -ENOSPC;
case 1:
@@ -749,27 +746,27 @@ static int amdgpu_uvd_cs_msg(struct amdg
/* validate the handle */
for (i = 0; i < adev->uvd.max_handles; ++i) {
- if (atomic_read(&adev->uvd.inst[ip_instance].handles[i]) == handle) {
- if (adev->uvd.inst[ip_instance].filp[i] != ctx->parser->filp) {
- DRM_ERROR("UVD(%d) handle collision detected!\n", ip_instance);
+ if (atomic_read(&adev->uvd.handles[i]) == handle) {
+ if (adev->uvd.filp[i] != ctx->parser->filp) {
+ DRM_ERROR("UVD handle collision detected!\n");
return -EINVAL;
}
return 0;
}
}
- DRM_ERROR("Invalid UVD(%d) handle 0x%x!\n", ip_instance, handle);
+ DRM_ERROR("Invalid UVD handle 0x%x!\n", handle);
return -ENOENT;
case 2:
/* it's a destroy msg, free the handle */
for (i = 0; i < adev->uvd.max_handles; ++i)
- atomic_cmpxchg(&adev->uvd.inst[ip_instance].handles[i], handle, 0);
+ atomic_cmpxchg(&adev->uvd.handles[i], handle, 0);
amdgpu_bo_kunmap(bo);
return 0;
default:
- DRM_ERROR("Illegal UVD(%d) message type (%d)!\n", ip_instance, msg_type);
+ DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
return -EINVAL;
}
BUG();
@@ -1071,7 +1068,7 @@ static int amdgpu_uvd_send_msg(struct am
if (r)
goto err_free;
- r = amdgpu_job_submit(job, &adev->uvd.inst[ring->me].entity,
+ r = amdgpu_job_submit(job, &adev->uvd.entity,
AMDGPU_FENCE_OWNER_UNDEFINED, &f);
if (r)
goto err_free;
@@ -1273,7 +1270,7 @@ uint32_t amdgpu_uvd_used_handles(struct
* necessarily linear. So we need to count
* all non-zero handles.
*/
- if (atomic_read(&adev->uvd.inst->handles[i]))
+ if (atomic_read(&adev->uvd.handles[i]))
used_handles++;
}
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.h
@@ -42,12 +42,9 @@ struct amdgpu_uvd_inst {
void *cpu_addr;
uint64_t gpu_addr;
void *saved_bo;
- atomic_t handles[AMDGPU_MAX_UVD_HANDLES];
- struct drm_file *filp[AMDGPU_MAX_UVD_HANDLES];
struct amdgpu_ring ring;
struct amdgpu_ring ring_enc[AMDGPU_MAX_UVD_ENC_RINGS];
struct amdgpu_irq_src irq;
- struct drm_sched_entity entity;
uint32_t srbm_soft_reset;
};
@@ -56,10 +53,13 @@ struct amdgpu_uvd {
unsigned fw_version;
unsigned max_handles;
unsigned num_enc_rings;
- uint8_t num_uvd_inst;
+ uint8_t num_uvd_inst;
bool address_64_bit;
bool use_ctx_buf;
- struct amdgpu_uvd_inst inst[AMDGPU_MAX_UVD_INSTANCES];
+ struct amdgpu_uvd_inst inst[AMDGPU_MAX_UVD_INSTANCES];
+ struct drm_file *filp[AMDGPU_MAX_UVD_HANDLES];
+ atomic_t handles[AMDGPU_MAX_UVD_HANDLES];
+ struct drm_sched_entity entity;
struct delayed_work idle_work;
};